1 first-generation phototherapy device (single discount package), 2 first-generation phototherapy devices (family discount set), 3 first-generation phototherapy devices (family health care discount set), 1 new second-generation phototherapy device with built-in disinfection charging compartment + one-month battery life, 2 new second-generation phototherapy devices with built-in disinfection charging compartment + one-month battery life, 3 new second-generation phototherapy devices with built-in disinfection charging compartment + one-month battery life, {Description} SF Express!Fast delivery!, {Information Description} Pure physical light therapy, safe, suitable for pregnant and children, {Information Description} Professional certification, effective in actual testing, {Information Description} Principle: Promotes blood circulation and increases oxygenation, reduces sensitivity, specializes in nasal sensitivity, {Information Description} has rave reviews, recommended by Xiaohongshu experts